Home / 193,248.14-289,736.37-85,126.20

Finding the Fourth Proportional to 193,248.14, 289,736.37 and 85,126.20

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Solution

The fourth proportional to 193,248.14, 289,736.37 and 85,126.20 is: 127,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,248.14 : 289,736.37 = 85,126.20 : x
  2. Step 2: Convert to fraction form
    193,248.14/289,736.37 = 85,126.20/x
  3. Step 3: Cross multiply
    193,248.14x = 289,736.37 × 85,126.20
  4. Step 4: Simplify right side
    193,248.14x = 24,664,156,179.89
  5. Step 5: Solve for x
    x = 24,664,156,179.89/193,248.14
  6. Step 6: Final answer
    x = 127,629.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.